/*
 * Java Genetic Algorithm Library (@__identifier__@).
 * Copyright (c) @__year__@ Franz Wilhelmstötter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Author:
 *    Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
 */
package io.jenetics.distassert.observation;

/**
 * Statistical data.
 *
 * @param count the count of values recorded
 * @param min the minimum value recorded, or {@link Double#POSITIVE_INFINITY} if
 * 	      no values have been recorded.
 * @param max the maximum value recorded, or {@link Double#NEGATIVE_INFINITY} if
 * 	      no values have been recorded
 * @param sum the sum of values recorded, or zero if no values have been
 * 	      recorded
 * @param mean the arithmetic mean of values recorded, or zero if no values have
 * 	      been recorded
 * @param variance the variance of values recorded, or {@link Double#NaN} if no
 * 	      values have been recorded
 * @param skewness the <a href="https://en.wikipedia.org/wiki/Skewness">Skewness</a>
 *        of values recorded, or {@link Double#NaN} if less than two values have
 *        been recorded
 * @param kurtosis the <a href="https://en.wikipedia.org/wiki/Kurtosis">Kurtosis</a>
 *        of values recorded, or {@link Double#NaN} if less than four values
 *        have been recorded
 *
 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
 * @version 8.3
 * @since 8.3
 */
public record Statistics(
	long count,
	double min,
	double max,
	double sum,
	double mean,
	double variance,
	double skewness,
	double kurtosis
) {
}
